Transcript for scene 34 of the video " Ice Age Wisdom Dunamics - part 1" by Rolf Witzsche - Ice Age Ahead not Global Warming  

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Evident in the Phanerozoic Climate History

The combination of the two resonance cycles is evident in the Phanerozoic Climate History on Earth, shown here. The graph covers the period of life on Earth going back in time 500 million years. One can see two very long climate cycles clearly evident in the physically measured long-term climate history on Earth.

The Earth's climate history can me measured in ratios of a heavy isotope of oxygen, termed Oxigen-18, in samples from historic times. The O-18 isotope is an atom of oxygen that has two extra neutrons attached, which increases the weight of it. The difference in weight affects the rate of evaporation of water molecules at different temperatures.

 

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Published by Cygni Communications Ltd. North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F. Witzsche